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Bruising can occur but is usually very mild and small (yellow or greenish cast, not deep in color or large in area)
Suissa K, Schneeweiss S, Kim DW, et al
Increase muscle mass
Liquid Supplements: Simple to take, liquid B12 is great for those who have trouble swallowing
Key publications: 'Stimulation of collagen synthesis in fibroblast cultures by GHK-Cu' (1988, FEBS Letters), 'In vivo stimulation of connective tissue accumulation by GHK-Cu' (1993), 'GHK-Cu stimulates matrix metalloproteinase-2 expression' (2000)
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